I'm very familiar with the Ontario Base Mapping Data, and am looking for similar data for other Canadian Provinces. Perhaps we can start a list of resources here? I'm looking for something at a larger scale than the standard NTS data.

I've done some GIS work for in Alberta and Manitoba as well as the Yukon and at least for these 3 there is no equivalent. Not even remotely close to the level of detail of the data you can get from the LIO warehouse in Ontario. For 50K mapping GeoGratis. As for DEM it's probably best to USGS.
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JakubJul 29 '11 at 14:42

Agreed Jakub. In Alberta, you have to purchase the data. It's been privatized, and you get an area approximately the size of 2 1/2 townships for $100.00 (all layers). Or, you're restricted to very coarse GeoGratis data as you said. Same with the Far North ... not the greatest of data (if there are any even available). I'll post anything I have in favorites to an answer below.
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DanoJul 29 '11 at 20:50

The TRIM I & II (Terrain Resource Inventory Management) database, though not free is being fragmented where subsets can be found in other 'open data' products such as hydrology now in the Fresh Water Atlas (FWA) and I've even seen contours in CanVec in remote areas of Northern BC.